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Gross Anatomy Lab Notes- Dr. Lu Structures with a * are do-able. Suspensory Ligament Nipple Areola Internal Jugular Vein Deltoid Pectoralis Major Pectoralis Minor Serratus Anterior- crosses 2-3 intercostal spaces Deltopectoral Triangle- between Pectoralis Major and Deltoid. Cephalic Vein- inside deltopectoral triangle *Lateral Pectoral Nerve- innervates Pectoralis Major ((L)-large for lateral) Medial Pectoral Nerve- innervates minor, through to major Subclavian Artery (very large) Axillary Artery (after 1st rib) branches to *Throacoacromial Artery (between Lateral Pectoral Nerve and Medial Pectoral Nerve) Intercostal Space (between 2 ribs) External Intercostal Muscle (hands in pocket) Internal Intercostal Muscle (hands in prayer) Innermost Intercostal Muscle In each intercostal groove lies a Vein, Artery and Nerve, Sup to Inf (VAN) Intercostal Vein (Superior)- Dark Intercostal Artery (In the Middle)- starts at descending aorta, small Intercostal Nerve (Inferior)- Largest Transverse Thoracis Muscle- 4 on each side of back of anterior chest wall, inside thoracic cage, behind sternum Internal Thoracic Artery- runs parallel to sternum. On each side of sternum on the back of the anterior chest wall. Heart- Has 4 Chambers Apex-left side, pointing downward Ascending Aorta- sits anterior and superior in the correct anatomical position. Atriums- R/L- superior Right Atrium Superior Vena Cava Inferior Vena Cava *Pectinate Muscle Cristae Terminalis Auricle of the right atrium Fossa Ovale (not on test) Ventricles- R/L- inferior Left Ventricle Bicuspid Valve- Aortic Semilunar Valve AV Valve- doesn’t have SeptoMarginal Trabeculae Right Ventricle Trabeculae Carnae- muscle Anterior Papillary Muscle- 3 present (b/c of attaching to the tricuspid valves) Chordae Tendonae AV Valve- Atrioventricular Valve has Septomarginal Trabeculae Tricuspid Valve- Pulmonary Semilunar Valve Right Coronary Artery- 3 branches Atrial Artery- by the right atrium *Marginal Artery- on the right bottom side of the heart Posterior Interventricular Artery- on the posterior side of heart between the ventricles Left Coronary Artery- 2 branches *Circumflex Artery *Anterior Interventricular Artery Branches of R Coronary Artery Atrial Branch- exterior of heart at right atrium Marginal Branch- exterior of heart at bottom of right ventricle Posterior Interventricular Branch Branches of L Coronary Artery Anterior Interventricular Branch Circumflex Artery Coronary Sinus *Moderator Bands- also known as septo-marginal trabeculaw *Pulmonary Ligament- where the parietal and visceral pleura meet in the heart Pulmonary Semilunar Valve Aortic Semilunar Valve Aortic Arch Visceral Pleura- between the fissures on each of the lungs *Parietal Pleura- on the back of the thoracic cage, covers the entire chest cavity. Left Lung 1 fissure: Oblique fissure 2 Lobes Right Lung 2 fissures: Oblique and Horizontal Fissure 3 Lobes *Pulmonary Nerve, Artery and Vein Bronchus- whitish and small. Thickest Opening Pulmonary Artery- largest opening. Thicker *Pulmonary Vein- Smaller opening- Thinnest- blue in color *Pulmonary Ligament Lingula of the Lung Phrenic Nerve- C4/C5 to diaphragm Left Vagus Nerve Recurrent Laryngeal Nerve- right branch going back to midline of body Esophageal Plexus- left branch traveling downward in body Sympathetic Chain Sympathetic Ganglion- underneath the sympathetic chain Rami Communicantes Greater Sphlenic Nerve- T5 to T9 Lesser Sphlenic Nerve- T10-T11- Many Least Sphlenic Nerve- T11 *Descending Aorta- left side Ascending Aorta *Azygous Vein- More Ant to the Midline of vertebral column *Esophagus- anterior to Descending Aorta *Hemiazygous Vein *Sensory Hemiazygous Vein Thoracic Duct- behind Esophagus “Biochemistry at Life College Sucks” B- Brachiocephalic Trunk LC- Left Common Carotid Artery S- Left Subclavian Artery Abdomen Inguinal Ligament- originates from rectus abdominus *External Oblique Muscle Internal Oblique Muscle External Abdominal Muscle Internal Abdominal Muscle Transverse Abdominal Muscle Anterior Rectus Sheath *Rectus Abdominus Muscle Posterior Rectus Sheath Linea Alba- in center of anterior and posterior rectus sheath, above umbilicus, below umbilicus- only anterior sheath *Tendonis Insertion between each piece of the “6-pack” *Celiac Trunk- looks like a flower. 3 branches *Gastric Artery- branching off of left side *Splenic Artery- goes to spleen, looks like snake. Branches off of left. *Common Hepatic Artery- 2 branches o *Gastroduodenum- Branch going downward o *Hepatic Proper- Branch traveling upward- 3 Branches *R Gastric Artery- goes to stomach *L Hepatic Artery *R Hepatic Artery *Superior Mesenteric Artery- 1 CM below celiac trunk, supplies ascending colon, small intestine, 2/3 transverse colon, 3 Branches *Idiocolic Artery- goes to iliocecal valve *R Colic Artery- goes to portion of ascending portion of the large intestine *Middle Colic Artery- goes to the transverse portion of the large intestine *Inferior Mesenteric Artery- 4 CM below superior. Lateral 1/3 of transverse colon, descending colon to rectum, 3 branches L Colic Artery Sigamoid Artery Superior Rectal Artery *Intestinal Artery- small intestine *Inferior Epigastric Artery- between anterior and posterior rectus sheath Small Intestine Junction 3 Structures that the Large Intestine has that the Small Does Not: Tinea Choli Appendicy Choli- Fatty Bag Holstrum Direct and Indirect Inguinal Hernia- separated by epigastric artery between rectus sheath and abdominal muscle Superficial Pubic Ring- where the muscle and vascular structures come from Reproductive Organs Vas Deferens Tunica Maginals??? Tunica Algins??? Vein, Testicular Artery, Pempdorn Plexus??? 3 layers of muscle Liver- 4 Lobes Left Lobe *Quadrate Lobe Chordate Lobe Right Lobe *Common Hepatic Duct *Left Hepatic Duct *Right Hepatic Duct *Cystic Duct *Bile Duct *Triangular Ligament *Coronary Ligament *Fusiform Ligament- Upper Region Ligament Teres- Lower Region Great Omentum??? Colon- 4 Segments Ascending Colon Descending Colon Sigmoid Colon Transverse Colon Pancreas *Main Pancreatic Duct- bile duct and pancreatic duct meet at duodenum. *Major Papalla Kidney*Renal Cortex *Renal Column-btwn each renal pyramid *Renal Papilla- very tip of renal pyramid, pointing inward *Minor Calyx *Major Calyx *Renal Pelvis/Palic *Ureter *Inferior Vena Cava- next to abdominal aorta *L Renal Vein- off of inferior vena cava Lumbar Plexus- Use Your Hand to Identify by Placing hand on lat side of Body *Subcostal Nerve- Pinkie Iliohypogastric Nerve- Ring Finger Iliohypolinguial Nerve- Ring Finger *Genitofemoral Nerve- Middle Finger Lateral Femoral Cutaneal Nerve- Index Finger *Femoral Nerve- Thumb *Obturator Nerve *LumboSacral Trunk These notes were prepared by Tiffany Stein and may not be complete, this is not a representation of the test for gross anatomy 1, it is merely a guide. Terms Our Class Turned in to Dr. Lu Cephalic Vein Intercostal Artery Coronary Sinus External Intercostal Muscle Phrenic Nerve Pectinate Muscle Parietal Pleura Esophagus Suspensory Ligament Renal Pyramid Ascending Colon Diapraghm Superior Vena Cava Lingula (of heart or lung??) Left Ventricle Celiac Trunk Hepatic Proper External Oblique Muscle Internal Oblique Muscle These notes were prepared by Tiffany Stein and may not be complete, this is not a representation of the test for gross anatomy 1, it is merely a guide.
